Section 5


SECTION 5: Reverse Osmosis (RO) Membranes
WaterWorld USA - Buy Reverse Osmosis (RO) Membranes
  • Available in a variety of sizes and flow rates to meet a wide range of applications
  • Highest quality water
  • Industry’s longest lasting and most reliable performance
  • Choose from tap water (TW), brackish water (BW), low energy (LE and XLE) and seawater (SW) to fit your need

5.1: Patriot® Residential RO Membranes

Patriot Reverse Osmosis Membrane Elements

Patriot Reverse Osmosis (RO) Membranes are made of thin layered Polyamide composite materials. These high-performance RO membrane elements are used on a wide range of system applications. They are packaged dry for prolonged shelf life.

Features:

  • Greater durability and life than regular home drinking water elements
  • Performs at higher TDS
  • Higher rejection rates
  • High pH tolerance

Applications:

  • Residential and office RO Systems
  • Laboratory or Hospital RO Systems
  • Hydroponic or Fish Tank RO Systems

Materials of Construction:

  • Membrane: Thin Layered Polyamide Composite
  • Operating Temp: 77 F (25 C), Max Temp: 45 C

PATRIOT® Residential RO Membranes

ItemFilter Size*Flow RateApplied PressureTDS Rejection*Box Qty.
MEM-PTRO1812-501.8″ X 12″50 GPD60 PSI98% @ 250 PPM25
MEM-PTRO1812-7575 GPD98 @ 250 PPM25
MEM-PTRO1812-100100 GPD98% @ 250 PPM25

* Specifications are nominal, intended for reference only. Filter life depends on operating conditions.

Warning: Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before and/or after the system.

Don’t see it? We’ve probably got it. Just feel free to contact our sales department with any requirements.

5.2: FILMTEC® Residential RO Membranes

Features:

  • Higher rejection rates
  • Greater durability and life than cellulose (CTA) membranes
  • Higher water purification (approximately 20%) tested at 50 psi than others tested at 60 psi
  • Higher pH tolerance
  • NSF/ANSI Standard 58 listed
  • Lower replacement costs & easier maintenance

Applications:

  • Home drinking water systems
  • Laboratory

    FILMTEC® Residential Membranes

    ItemFilter SizeProduction**Box Qty.
    MEM-TW301812-241.8″ X 12″24 GPD @ 50 PSI25
    MEM-TW301812-3636 GPD @ 50 PSI25
    MEM-TW301812-5050 GPD @ 50 PSI25
    MEM-TW301812-100100 GPD @ 50 PSI25
    *MEM-BW601812-7575 GPD @ 50 PSI25

    *New Residential Brackish Water Element

    **At 77º F, actual results may vary. Call for parts not listed.

    Don’t see it? We’ve probably got it. Just feel free to contact our sales department with any requirements.

    5.3: OSMOTIK® Residential Brackish Water Membrnes

    Features:

    • Spiral-wound design
    • Performs better than regular elements at higher TDS
    • Higher rejection rates
    • Greater durability and life than regular home drinking water elements
    • Higher pH tolerance
    • NSF/ANSI Standard 58 listed
    • Flow rates of 50, 75 and 100 gpd @ 60 psi

    Applications:

    • Residential and office drinking water systems
    • Laboratory

      OSMOTIK® Residential Brackish Membranes

      ItemSizeProduction*Box Qty.
      MEM-181250BW1.8″ X 12″50 GPD @ 60 PSI50
      MEM-181275BW1.8″ X 12″75 GPD @ 60 PSI50
      MEM-1812100BW1.8″ X 12″100 GPD @ 60 PSI50

      *At 77º F, actual results may vary. Call for parts not listed.

      Don’t see it? We’ve probably got it. Just feel free to contact our sales department with any requirements.

      5.4: Commercial RO Membranes

      Patriot Reverse Osmosis Membrane Elements

      Commercial RO membranes are fiberglass wrapped for durability, and operate at 150 psi. Available in standard 2.5” and 4” diameter sizes.

      Features:

      • Fiber Glass wrapped
      • Performs at higher TDS
      • Higher rejection rates
      • High pH tolerance

      Applications:

      • Commercial and Light Industrial water plants
      • Water Stores
      • Food Processing
      • Car Washes
      • Pharmaceutical

      Materials of Construction:

      • Membrane: Thin Layered Polyamide Composite
      • Brine Seal, O-Rings: EPDM
      • Wrap: Polyester tape
      • Operating Temp: 77 F (25 C), Max Temp: 45 C

      Commercial RO Membranes

      ItemElement Size*Flow Rate*Applied Pressure*TDS Rejection
      MEM-PTRO21-25212.5” X 21”300 GPD150 PSI99.0% @ 1,500 PPM
      MEM-PTRO21-25402.5” X 40”750 GPD150 PSI99.0% @ 1,500 PPM
      MEM-PTRO21-40214” X 21”950 GPD150 PSI99.0% @ 1,500 PPM
      MEM-PTRO21-40404” X 40”2,600 GPD150 PSI99.5% @ 1,500 PPM
      MEM-PTRO11-4040 (not NSF)4” X 40”2,600 GPD100 PSI99.2% @ 500 PPM
      MEM-PTRO11-3012 (not NSF)3″ x 12″500 GPD100 PSI98.0% @ 500 PPM

      * Specifications are nominal, intended for reference only. Filter life depends on operating conditions.

      Warning: Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before and/or after the system.

      Don’t see it? We’ve probably got it. Just feel free to contact our sales department with any requirements.

      5.5: FILMTEC® Commercial Tap Water RO Membranes

            Filmtec® Commercial Tap Water RO Membranes

            ITEM #SIZEProduction *Rejection Rate At TDS*
            MEM-TW30-20262" X 26"220 GPD @ 225 PSI99.5% at 2,000 PPM
            MEM-TW30-25142.5" X 14"200 GPD @ 225 PSI99.5% at 2,000 PPM
            MEM-TW30-2521 2.5" X 21" 325 GPD @ 225 PSI 99.5% at 2,000 PPM
            MEM-TW30-2540 2.5" X 40" 850 GPD @ 225 PSI 99.5% at 2,000 PPM
            MEM-TW30-4014 4" X 14" 525 GPD @ 225 PSI 99.5% at 2,000 PPM
            MEM-TW30-4021 4" X 21" 900 GPD @ 225 PSI 99.5% at 2,000 PPM
            MEM-TW30-4040 4" X 40" 2,400 GPD @ 225 PSI 99.5% at 2,000 PPM

            Don’t see it? We’ve probably got it. Just feel free to contact our sales department with any requirements.

            5.6: FILMTEC® Commercial Brackish Water Ro Membranes

                  Filmtec® Commercial Brackish Water Ro Membranes

                  ITEM #SIZEProduction *Rejection Rate At TDS*
                  MEM-BW30-25402.5" X 40"1000 GPD @ 225 PSI99.7% at 2,000 PPM
                  MEM-BW30-40404" X 40"2,600 GPD @ 225 PSI99.7% at 2,000 PPM
                  MEM-LE-40404" X 40"2,600 GPD @ 150 PSI99.5% at 2,000 PPM

                  Don’t see it? We’ve probably got it. Just feel free to contact our sales department with any requirements.

                  5.7: FILMTEC® Low Energy Ro Membranes

                        Filmtec® Low Energy Ro Membranes

                        ITEM #SIZEProduction *Rejection Rate At TDS*
                        MEM-XLE-25212.5" X 21"365 GPD @ 100 PSI99.0% at 500 PPM
                        MEM-XLE-25402.5" X 40"850 GPD @ 100 PSI99.0% at 500 PPM
                        MEM-XLE-40214" X 21"1,025 GPD @ 100 PSI99.0% at 500 PPM
                        MEM-XLE-40404" X 40"2,600 GPD @ 100 PSI99.0% at 500 PPM

                        Don’t see it? We’ve probably got it. Just feel free to contact our sales department with any requirements.

                        5.8: FILMTEC® Low Pressure RO Membranes

                              FILMTEC® Low Pressure RO Membranes

                              ITEM #SIZEProduction *Rejection Rate At TDS*
                              ITEM #SIZEProduction *REJECTION RATE AT TDS*
                              MEM-ULP21-40404" X 40"2,400 GPD @ 150 PSI99.0% at 1,500 PPM
                              MEM-ULP11-40404" X 40"2,700 GPD @ 150 PSI98.0% at 1,500 PPM
                              MEM-ULP31-40404" X 40"1,900 GPD @ 150 PSI99.4% at 1,500 PPM
                              MEM-ULP21-40214" X 21"950 GPD @ 150 PSI99.0% at 1,500 PPM
                              MEM-ULP21-25402.5" X 40"750 GPD @ 150 PSI99.0% at 1,500 PPM
                              MEM-ULP21-25212.5" X 21"300 GPD @ 150 PSI99.0% at 1,500 PPM

                              Don’t see it? We’ve probably got it. Just feel free to contact our sales department with any requirements.